In samples from patients with monocytic AML (FAB-M4/M5), exposure to HDC significantly enhanced the expression of the antigen presentation marker HLA-DR (Figure 4G) and triggered expression of FPR1 (Figure 4H) and FPR2 (Figure 4I) on the leukemic CD14+ monocytes. Here, CD14 is linked to acute myeloid leukemia.